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Thomomys umbrinus (rodent)

Abundance: 0.06 to 0.72% (median 0.15%)

Latitudinal range: 30.3° to 39.5°

Habitats: (4) only

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Found in 4 samples

United States: Crystal Ball Cave, Schulze Cave (layer B), Schulze Cave (layer C1), Schulze Cave (layer C2)

See also Thomomys, Thomomys bottae, Thomomys orientalis, Thomomys potamacensis, Thomomys sp., Thomomys spp., Thomomys talpoides

Current reference: Huckleberry et al. 2001 (ER 3215)